Countries restrict the overall extent of international travel and migration to balance the expected costs and benefits of mobility. Given the ever-present threat of new, future pandemics, how should permanent restrictions on mobility respond? A simple theoretical framework predicts that reduced...

International migration is an important channel of material improvement for individuals and their offspring. The movement of people across country borders, especially from less developed to richer countries, has a substantial impact in several dimensions. First, it affects the migrants...

The Comprehensive Development Plan aims to create a sustainable development space and generate opportunities to improve the quality of life of the people of El Salvador, Guatemala, Honduras and south-southeast Mexico, thus making migration a choice rather than an obligation. This is an joined up...

A possible unintended but damaging consequence of anti-immigrant rhetoric, and the policies it inspires, is that they may put high-skilled immigrants off more than low-skilled ones at times when countries and businesses intensify their competition for global talent. We investigate this argument...

In the European summer of 2027, the world faces a threat, not only to human health but also to biological diversity and food security. An alarming scenario is emerging: The rapidly thawing permafrost in the Russian tundra has released an unknown form of anthrax that is primarily transmitted by...

This study analyzes the impact of COVID-19 deniers on the spread of COVID-19 in Germany. In a first step, we establish a link between regional proxies of COVID-19 deniers and infection rates. We then estimate the causal impact of large anti-lockdown protests on the spread of COVID-19 using an...